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     1,2-Propanediol 

    1,2-Propanediol

    Industrial grade 1,2-Propanediol Pharmaceutical Grade 1,2-Propanediol 1,2-Propanediol Shandong general agency  Imported 1,2-Propanediol
    Pharmaceutical/Industrial grade Japan 210kg/drum
    1,4-Butanediol  Japn 1,4-Butanediol  Agent of 1,4-Butanediol  Wholesale of 1,4-Butanediol 
    99.9% Japan/Domestic 200kg/drum
    CAS No.: 57-55-6
    Molecular formula: C3H8O2   
    Relative molecular weight: 76.09   
    Relative density :(20/20οC)1.0381
    Appearance: Colorless hygroscopic viscous liquid, almost odorless.   
    Boiling point: 188.2   Melting point: -59οC   
    Ignition point: 421.1οC   Viscosity (20 οC): 56.0mpa.s,   
    Surface tension: 72.0 (25οC)
    Specific heat capacity (20 οC) 2.49kJ/(kg.οC),   
    Heat of vaporization (101.3kpa) 711kJ/kg.
    Miscible with water, ethanol and a variety of organic solvents.
    Use: 1,2-Propanediol can be used as the raw material of unsaturated polyester resin. In cosmetic, toothpaste and soap, it can be used with glycerin or sorbitol as wetting agent. In tint, it is used as humidifying and levelling agent. Also used as antifreeze. It can be used in cellophane, plasticizer and pharmaceutical industry.


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